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Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

Update Firefox to the latest release

Update Firefox to the latest release

Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux.

Back up your Firefox data

Back up your Firefox data

Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.